Search a number
BaseRepresentation
bin11010101010010100011111
3111011002020002
4122222110133
53242122322
6405444515
7113256230
oct32522437
914132202
106989087
113a44006
12241073b
1315a9271
14cdd087
15930c92
hex6aa51f

6989087 has 8 divisors (see below), whose sum is σ = 8263200. Its totient is φ = 5783904.

The previous prime is 6989071. The next prime is 6989107. The reversal of 6989087 is 7809896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6989087 - 24 = 6989071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17012 + ... + 17417.

It is an arithmetic number, because the mean of its divisors is an integer number (1032900).

Almost surely, 26989087 is an apocalyptic number.

6989087 is a deficient number, since it is larger than the sum of its proper divisors (1274113).

6989087 is a wasteful number, since it uses less digits than its factorization.

6989087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34465.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 6989087 is about 2643.6881434844. The cubic root of 6989087 is about 191.1936579160.

The spelling of 6989087 in words is "six million, nine hundred eighty-nine thousand, eighty-seven".

Divisors: 1 7 29 203 34429 241003 998441 6989087